using System;

public static partial class Extensions
    {
        /// <summary>
        ///     Returns the angle whose sine is the specified number.
        /// </summary>
        /// <param name="d">
        ///     A number representing a sine, where  must be greater than or equal to -1, but less than or equal
        ///     to 1.
        /// </param>
        /// <returns>
        ///     An angle, ?, measured in radians, such that -?/2 ????/2 -or-  if  &lt; -1 or  &gt; 1 or  equals .
        /// </returns>
        public static Double Asin(this Double d)
        {
            return Math.Asin(d);
        }
    }
